Shared Flashcard Set

Details

The External Ear
components and functions
8
Anatomy
Undergraduate 1
01/14/2012

Additional Anatomy Flashcards

 


 

Cards

Term

Auricle

(or pinna)

Definition

The appendage on the side of the head surrounding the opening of the external acoustic canal.

 

Because it lies exposed againest the bony surface of the skull, the auricle is frequently injured in blunt trauma.

Term

 

Tophi

Definition

 

calculus-like growths or deposits in tissues or around joints, may contain urate crystals in patients with gout

Term

 

Tympanic membrane

(or eardrum)

Definition

 

membrane that seperates external ear canal from middle ear

Term

 

Ceruminous glands

Definition

gland that produces a waxy substance called

cerumen  that may collect in the canal and impair hearing by absorbing or blocking the passage of sound waves.

Term

 

Otoscope

Definition

 

a lighted instrument used to examine the external ear canal and outer surface of the tympanic membrane.

Term
[image]
Definition
Term
External otitis
or swimmers ear
Definition
common infection of the external ear in athletes. It can be bacterial or fungal and is usually associated with prolonged exposure to water
Term
Darwin tubercle
Definition
another type of nodule that may appear on the helix. Considered normal and requires no treatment.
Supporting users have an ad free experience!